Besides, overhead travelling crane bump-shielded system and alarm devices is designed.
此外还设计了钻井系统的天车 防撞 及报警装置.
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The crane passing dust collecting cover is a new type dust collecting cover.
天车通过式捕集罩是一种新型的电炉烟气捕集罩.
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阐述了新型堆垛天车的设计特点与技术改进措施.
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